<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script type="text/javascript">
			var s="cvxzl kjdsa lgjaf dhjd ;ad";
			var arr=s.split("a");
			alert(arr.length+ arr[0]);
		</script>
	</head>
	<body>
	</body>
</html>
